Home / 818,797.53-1,129,942.94-474,700.35

Finding the Fourth Proportional to 818,797.53, 1,129,942.94 and 474,700.35

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Solution

The fourth proportional to 818,797.53, 1,129,942.94 and 474,700.35 is: 655,087.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,797.53 : 1,129,942.94 = 474,700.35 : x
  2. Step 2: Convert to fraction form
    818,797.53/1,129,942.94 = 474,700.35/x
  3. Step 3: Cross multiply
    818,797.53x = 1,129,942.94 × 474,700.35
  4. Step 4: Simplify right side
    818,797.53x = 536,384,306,724.53
  5. Step 5: Solve for x
    x = 536,384,306,724.53/818,797.53
  6. Step 6: Final answer
    x = 655,087.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.